Methylenedi-4,1-cyclohexyleneisocyanate, 5-amino-1,3,3-trimethylcyclohexanemethanamine, 2-oxepanone polymer

2-Oxepanone, polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine and 1,1'-methylenebis[4-isocyanatocyclohexane]